Mercurial > sdl-ios-xcode
annotate src/thread/riscos/SDL_syscond.c @ 3913:9e454eb693a5 SDL-1.2
Corrected wrong SDK path in build-scripts/fatbuild.sh.
Fixes Bugzilla #377.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Tue, 13 Feb 2007 09:58:04 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
rev | line source |
---|---|
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
1 /* |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
2 SDL - Simple DirectMedia Layer |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
4 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
5 This library is free software; you can redistribute it and/or |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
7 License as published by the Free Software Foundation; either |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
9 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
10 This library is distributed in the hope that it will be useful, |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
13 Lesser General Public License for more details. |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
14 |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
955
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
18 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
19 Sam Lantinga |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
20 slouken@libsdl.org |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
21 */ |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
22 #include "SDL_config.h" |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
23 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
24 /* RISC OS implementations uses pthreads based on linux code */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
25 |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
26 #if SDL_THREADS_DISABLED |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
27 #include "../generic/SDL_syscond.c" |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
28 #else |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
29 #include <sys/time.h> |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
30 #include <unistd.h> |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
31 #include <pthread.h> |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
32 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
33 #include "SDL_thread.h" |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
34 #include "SDL_sysmutex_c.h" |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
35 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
36 struct SDL_cond |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
37 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
38 pthread_cond_t cond; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
39 }; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
40 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
41 /* Create a condition variable */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
42 SDL_cond * SDL_CreateCond(void) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
43 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
44 SDL_cond *cond; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
45 |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
46 cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond)); |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
47 if ( cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
48 if ( pthread_cond_init(&cond->cond, NULL) < 0 ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
49 SDL_SetError("pthread_cond_init() failed"); |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
50 SDL_free(cond); |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
51 cond = NULL; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
52 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
53 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
54 return(cond); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
55 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
56 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
57 /* Destroy a condition variable */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
58 void SDL_DestroyCond(SDL_cond *cond) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
59 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
60 if ( cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
61 pthread_cond_destroy(&cond->cond); |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
62 SDL_free(cond); |
955
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
63 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
64 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
65 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
66 /* Restart one of the threads that are waiting on the condition variable */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
67 int SDL_CondSignal(SDL_cond *cond) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
68 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
69 int retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
70 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
71 if ( ! cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
72 SDL_SetError("Passed a NULL condition variable"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
73 return -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
74 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
75 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
76 retval = 0; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
77 if ( pthread_cond_signal(&cond->cond) != 0 ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
78 SDL_SetError("pthread_cond_signal() failed"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
79 retval = -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
80 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
81 return retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
82 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
83 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
84 /* Restart all threads that are waiting on the condition variable */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
85 int SDL_CondBroadcast(SDL_cond *cond) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
86 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
87 int retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
88 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
89 if ( ! cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
90 SDL_SetError("Passed a NULL condition variable"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
91 return -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
92 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
93 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
94 retval = 0; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
95 if ( pthread_cond_broadcast(&cond->cond) != 0 ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
96 SDL_SetError("pthread_cond_broadcast() failed"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
97 retval = -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
98 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
99 return retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
100 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
101 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
102 int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
103 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
104 int retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
105 struct timeval delta; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
106 struct timespec abstime; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
107 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
108 if ( ! cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
109 SDL_SetError("Passed a NULL condition variable"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
110 return -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
111 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
112 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
113 gettimeofday(&delta, NULL); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
114 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
115 abstime.tv_sec = delta.tv_sec + (ms/1000); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
116 abstime.tv_nsec = (delta.tv_usec + (ms%1000) * 1000) * 1000; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
117 if ( abstime.tv_nsec > 1000000000 ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
118 abstime.tv_sec += 1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
119 abstime.tv_nsec -= 1000000000; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
120 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
121 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
122 tryagain: |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
123 retval = pthread_cond_timedwait(&cond->cond, &mutex->id, &abstime); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
124 switch (retval) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
125 case EINTR: |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
126 goto tryagain; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
127 break; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
128 case ETIMEDOUT: |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
129 retval = SDL_MUTEX_TIMEDOUT; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
130 break; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
131 case 0: |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
132 break; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
133 default: |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
134 SDL_SetError("pthread_cond_timedwait() failed"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
135 retval = -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
136 break; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
137 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
138 return retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
139 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
140 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
141 /* Wait on the condition variable, unlocking the provided mutex. |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
142 The mutex must be locked before entering this function! |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
143 */ |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
144 int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex) |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
145 { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
146 int retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
147 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
148 if ( ! cond ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
149 SDL_SetError("Passed a NULL condition variable"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
150 return -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
151 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
152 |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
153 retval = 0; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
154 if ( pthread_cond_wait(&cond->cond, &mutex->id) != 0 ) { |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
155 SDL_SetError("pthread_cond_wait() failed"); |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
156 retval = -1; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
157 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
158 return retval; |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
159 } |
d74fbf56f2f6
Date: Fri, 25 Jun 2004 13:29:15 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
160 #endif |